Home / 728,698.59-1,093,080.69-223,222.68

Finding the Fourth Proportional to 728,698.59, 1,093,080.69 and 223,222.68

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Solution

The fourth proportional to 728,698.59, 1,093,080.69 and 223,222.68 is: 334,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,698.59 : 1,093,080.69 = 223,222.68 : x
  2. Step 2: Convert to fraction form
    728,698.59/1,093,080.69 = 223,222.68/x
  3. Step 3: Cross multiply
    728,698.59x = 1,093,080.69 × 223,222.68
  4. Step 4: Simplify right side
    728,698.59x = 244,000,401,078.05
  5. Step 5: Solve for x
    x = 244,000,401,078.05/728,698.59
  6. Step 6: Final answer
    x = 334,844.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.